[Qt-qml] Set custom property in onChildrenChanged?

[Charley Bay]

Aaron spaketh:
> Shouldn't the access line read
>    myParent.children[i].myDouble = 1.0
> ?

Ooops, yes:  I incorrectly re-typed it in the
email with the extra '.' (but the problem still
exists in my code).

Thanks!

--charley